BC817-16-7 Equivalent & Substitute Parts

Part Overview

The BC817-16-7 is an NPN bipolar junction transistor manufactured by Diodes Incorporated, designed for general-purpose switching and amplification applications. This device features a 45 V collector-emitter breakdown voltage, 800 mA maximum collector current, and 100 MHz transition frequency in a surface-mount SOT-23-3 package. The BC817-16-7 is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives that maintain electrical and mechanical compatibility with existing circuit designs.

Key Parameters

Parameter	BC817-16-7	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	45	V
Current - Collector (Ic) (Max)	800	mA
Vce Saturation (Max) @ Ib, Ic	700mV @ 50mA, 500mA	V
Current - Collector Cutoff (Max)	100	nA
DC Current Gain (hFE) (Min) @ Ic, Vce	100 @ 100mA, 1V	—
Power - Max	310	mW
Frequency - Transition	100	MHz
Operating Temperature	-65 to 150	°C
Package / Case	SOT-23-3	—
Mounting Type	Surface Mount	—
RoHS Status	Non-compliant	—

Substitute Part Grouping Explanation

Substitution of the BC817-16-7 is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Transistor type must be NPN
Collector-emitter breakdown voltage must be ≥45 V
Maximum collector current must be ≥800 mA (or ≥500 mA for reduced-current applications)
DC current gain (hFE) minimum must be ≥100 @ 100mA, 1V
Transition frequency must be ≥100 MHz
Maximum power dissipation must be ≥310 mW (or ≥200 mW for reduced-power applications)
Operating temperature range must encompass -65°C to 150°C or be compatible with application requirements
Package must be SOT-23-3 or equivalent surface-mount form factor

Substitution Groups:

Group 1: Direct Diodes Incorporated Variants Parts BC817-16-7-F maintain the same manufacturer and base product line with reduced maximum collector current (500 mA) but retain all other critical parameters and are RoHS3 compliant with active product status.

Group 2: Nexperia Equivalents (BC817 Series) Parts BC817,215; BC817,235; BC817-16,215; and BC817-16,235 are manufactured by Nexperia USA Inc. and maintain identical electrical specifications to the original part with SOT-23-3 packaging, RoHS3 compliance, and AEC-Q101 automotive qualification.

Group 3: onsemi Equivalents (BC817-16LT Series) Parts BC817-16LT1G and BC817-16LT3G are manufactured by onsemi with identical electrical specifications, SOT-23-3 packaging, RoHS3 compliance, and extended inventory availability.

Group 4: Taiwan Semiconductor Corporation Variant Part BC817-16W RFG is manufactured by Taiwan Semiconductor Corporation with identical electrical specifications but in SOT-323 package form factor, representing a package alternative.

Group 5: Nexperia Higher-Voltage Alternatives Parts 2PD1820AR,115 and 2PD1820AS,115 are manufactured by Nexperia USA Inc. with increased collector-emitter breakdown voltage (50 V), reduced maximum collector current (500 mA), higher transition frequency (150 MHz), and SOT-323 packaging, suitable for applications requiring higher voltage ratings.

Parameter Comparison

Part Number	Manufacturer	Ic (Max) mA	Vce(br) V	Power mW	fT MHz	Package	RoHS Status	Product Status
BC817-16-7	Diodes Inc.	800	45	310	100	SOT-23-3	Non-compliant	Discontinued
BC817-16-7-F	Diodes Inc.	500	45	310	100	SOT-23-3	ROHS3	Active
BC817,215	Nexperia USA Inc.	500	45	250	100	SOT-23-3	ROHS3	Active
BC817,235	Nexperia USA Inc.	500	45	250	100	SOT-23-3	ROHS3	Active
BC817-16,215	Nexperia USA Inc.	500	45	250	100	SOT-23-3	ROHS3	Active
BC817-16,235	Nexperia USA Inc.	500	45	250	100	SOT-23-3	ROHS3	Active
BC817-16LT1G	onsemi	500	45	300	100	SOT-23-3	ROHS3	Active
BC817-16LT3G	onsemi	500	45	300	100	SOT-23-3	ROHS3	Active
BC817-16W RFG	Taiwan Semiconductor	500	45	200	100	SOT-323	ROHS3	Active
2PD1820AR,115	Nexperia USA Inc.	500	50	200	150	SOT-323	ROHS3	Active
2PD1820AS,115	Nexperia USA Inc.	500	50	200	150	SOT-323	ROHS3	Active

Engineering Selection Recommendations

For Direct Replacement with Maintained Specifications:

BC817-16-7-F (Diodes Incorporated) is the primary direct substitute, offering identical electrical performance within the same manufacturer's product line. This part maintains 45 V breakdown voltage, 100 MHz transition frequency, and SOT-23-3 packaging. The reduced maximum collector current (500 mA versus 800 mA) is acceptable for applications not requiring the full 800 mA specification. This part carries RoHS3 compliance and active product status, ensuring long-term availability.

For Active Product Status with Extended Availability:

BC817-16LT1G and BC817-16LT3G (onsemi) provide identical electrical specifications to the original part with significantly higher inventory levels (305,400 and 55,100 units respectively). Both parts are RoHS3 compliant and carry active product status. The primary distinction is packaging format: BC817-16LT1G is supplied in Cut Tape & Digi-Reel format, while BC817-16LT3G is supplied in Tape & Reel format.

For Automotive-Grade Applications:

BC817,215; BC817,235; BC817-16,215; and BC817-16,235 (Nexperia USA Inc.) are qualified to AEC-Q101 automotive standards and carry RoHS3 compliance. These parts maintain 45 V breakdown voltage and 100 MHz transition frequency with SOT-23-3 packaging. Inventory availability ranges from 9,200 to 56,447 units.

For Higher Voltage Requirements:

2PD1820AR,115 and 2PD1820AS,115 (Nexperia USA Inc.) provide increased collector-emitter breakdown voltage (50 V) and higher transition frequency (150 MHz) in SOT-323 packaging. These parts are suitable for applications requiring voltage margins above 45 V. Both carry AEC-Q101 automotive qualification and RoHS3 compliance.

For Compact Package Form Factor:

BC817-16W RFG (Taiwan Semiconductor Corporation) offers SOT-323 packaging with identical 45 V breakdown voltage and 100 MHz transition frequency. This part is suitable for space-constrained applications where the smaller SOT-323 footprint is required.

Frequently Asked Questions (FAQ)

Q: Can BC817-16-7-F be used as a direct replacement for BC817-16-7?

A: Yes. BC817-16-7-F maintains identical electrical specifications including 45 V breakdown voltage, 100 MHz transition frequency, and SOT-23-3 packaging. The maximum collector current is reduced from 800 mA to 500 mA; this substitution is valid for applications where collector current does not exceed 500 mA. BC817-16-7-F is RoHS3 compliant and carries active product status.

Q: What is the difference between BC817-16LT1G and BC817-16LT3G?

A: Both parts are manufactured by onsemi and maintain identical electrical specifications. The difference is packaging format: BC817-16LT1G is supplied in Cut Tape & Digi-Reel format, while BC817-16LT3G is supplied in Tape & Reel format. Selection depends on assembly process requirements.

Q: Can I use 2PD1820AR,115 in place of BC817-16-7?

A: 2PD1820AR,115 is electrically compatible with BC817-16-7 for applications where the collector current does not exceed 500 mA. This part provides higher collector-emitter breakdown voltage (50 V versus 45 V) and higher transition frequency (150 MHz versus 100 MHz). However, the package is SOT-323 instead of SOT-23-3, requiring PCB layout modification.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry RoHS3 compliance. The original BC817-16-7 is RoHS non-compliant; substitution with any listed part upgrades the design to RoHS3 compliance.

Q: Which substitute part has the highest inventory availability?

A: BC817-16LT1G (onsemi) has the highest inventory with 305,400 units in stock, followed by BC817-16LT3G (onsemi) with 55,100 units.

Q: Can I use a substitute part with lower maximum collector current?

A: Yes, provided your application does not require collector current exceeding the substitute part's maximum rating. All listed substitutes with 500 mA maximum collector current are valid for applications where Ic ≤ 500 mA.

Q: What is the difference between SOT-23-3 and SOT-323 packages?

A: SOT-23-3 and SOT-323 are both surface-mount packages with three leads, but SOT-323 is physically smaller. BC817-16W RFG and the 2PD1820 series use SOT-323 packaging. PCB layout and footprint modifications are required when switching between these package types.

Q: Are the Nexperia BC817 variants (BC817,215; BC817,235; BC817-16,215; BC817-16,235) interchangeable?

A: Yes. All four Nexperia variants maintain identical electrical specifications and SOT-23-3 packaging. The differences are packaging format (Cut Tape & Digi-Reel versus Tape & Reel) and inventory levels. Selection depends on assembly process requirements.

Q: Do all substitute parts support the full operating temperature range of the original BC817-16-7?

A: Most substitute parts support -65°C to 150°C operating temperature range, matching the original part. BC817-16W RFG supports -55°C to 150°C, which is acceptable for most applications but does not extend to -65°C. Verify operating temperature requirements for your specific application.

Q: Which substitute part is recommended for new designs?

A: For new designs, BC817-16LT1G or BC817-16LT3G (onsemi) are recommended due to active product status, RoHS3 compliance, high inventory availability, and identical electrical specifications to the original part. For automotive applications, BC817,215 or BC817,235 (Nexperia) with AEC-Q101 qualification are recommended.

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